CN105604720A - Cylinder block, internal combustion engine and cooling system for internal combustion engine - Google Patents
Cylinder block, internal combustion engine and cooling system for internal combustion engine Download PDFInfo
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- CN105604720A CN105604720A CN201510733534.XA CN201510733534A CN105604720A CN 105604720 A CN105604720 A CN 105604720A CN 201510733534 A CN201510733534 A CN 201510733534A CN 105604720 A CN105604720 A CN 105604720A
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- Prior art keywords
- cylinder
- cylinder block
- water jacket
- cooling
- exhaust side
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/021—Cooling cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P2005/105—Using two or more pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention provides a cylinder block, internal combustion engine and cooling system for internal combustion engine for making the temperature of the water to change so as to making the cooling effect for the cylinder block to be appropriate. The cylinder block including two different systems of cooling water channels. The cooling water at a relatively low temperature is made to flow through a first cooling water channel, while the cooling water at a relatively high temperature is made to flow through a second cooling water channel. The first cooling water channel includes an exhaust-side water jacket that is located on an exhaust side with respect to a plurality of cylinders juxtaposed in a longitudinal direction of the cylinder block and is provided in the longitudinal direction along the plurality of cylinders. The second cooling water channel includes an intake-side water jacket that is located on an intake side with respect to the plurality of cylinders and is provided in the longitudinal direction along the plurality of cylinders.
Description
Technical field
The present invention relates to the cooling system of cylinder block, internal combustion engine and the internal combustion engine of internal combustion engine, in detail andSpeech, relate to possess the Cooling Water of 2 systems mobile stream cylinder block, possess this cylinder blockInternal combustion engine and cooling system.
Background technology
Disclose at air inlet side and the exhaust side of cylinder and be respectively equipped with the arrangement along cylinder at patent documentation 1The structure of multiple cooling water streams that direction is extended. Multiple cooling water streams are respectively with the axis along cylinderThe state that direction is demarcated mutually arranges. In this structure, for example, can be by making to cooling waterStream imports the method for internal diameter differential grade between cooling water stream of the entrance hole of cooling water, makesOn axis direction at the flow of the mobile cooling water of the periphery of cylinder at cylinder, change. As one example,Disclose exhaust side and approached the flow of the cooling water path of the top dead centre of piston most at patent documentation 1Set greatlyr than the flow of other cooling water path. Near the top dead centre of piston and the region of exhaust side holdsBe subject to the impact of burning gases and cylinder temperature becomes the highest, therefore by the cold of this region will be approached mostBut the flow set of water passage is maximum, and it is suitable to make the cooling effect of cylinder.
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2010-014025 communique
Summary of the invention
The problem that invention will solve
But, utilize the cooling effect of the cylinder of cooling water to depend on flow and the temperature of cooling water. SpeciallyThe disclosed technology of profit document 1 is the technology that is conceived to flow wherein. But, at patent documentation 1In disclosed technology, the temperature of cooling water is not considered. Can replace flow if think and makeThe temperature of cooling water changes according to place or makes and becomes according to place together with the temperature of flow and cooling waterChange, it is more suitable can to make the cooling effect of cylinder.
The present invention makes in view of above-mentioned problem, and its object is to provide one can make cylinderThe suitable cylinder block of cooling effect, and the temperature having proposed by making cooling water becomes according to placeThe means of changing are reached the technological thought of described object.
For the means of dealing with problems
Cylinder block of the present invention is the cylinder block that multicylinder engine is used, and possesses and is arranged in the longitudinal directionMultiple cylinders (being denoted as below air cylinder group) of arranging. In this application, the length direction of cylinder block is fixedThe direction that justice is arranged for cylinder, that is to say and be defined as the axial of bent axle. In addition, in this application,By orthogonal with length direction and be called the width of cylinder block with the axial orthogonal direction of cylinder.
Cylinder block of the present invention is as the stream in the mobile cylinder block of Cooling Water and possess first coolingCurrent road and the second cooling water stream. The first cooling water stream comprises with respect to air cylinder group and is positioned at exhaustSide and the exhaust side water jacket arranging along air cylinder group in the longitudinal direction. The second cooling water stream comprises phaseThe air inlet side water jacket that is positioned at air inlet side for air cylinder group and arranges along air cylinder group in the longitudinal direction.Cylinder block of the present invention is constituted as, than low in the temperature of the mobile cooling water of the second cooling water streamCooling water flows in the first cooling water stream.
Be drawn into the air in cylinder from air inlet, can touch to the wall of the exhaust side of cylinder and at cylinderInterior convolution. According to the structure of above-mentioned cylinder block, be provided with and supply than entering at exhaust side with respect to cylinder headThe exhaust side water jacket of the flow of cooling water that gas side jacket water temperature is low, therefore can suppress to be inhaled into cylinderInterior air is heated from cylinder wall surface.
In addition, if object is only for obtaining above-mentioned effect, as long as not only at exhaust side water jacket andThe entirety that also comprises the cylinder block of air inlet side water jacket reduces the temperature of cooling water the samely. But,In this case, can cause the increase of frictional force and/or the increase of cooling loss of slipper, andAnd need to expand heat exchanger volume. According to the structure of above-mentioned cylinder block, make the temperature root of cooling waterChange according to place, can not produce thus such problem. That is to say, according to above-mentioned cylinder blockStructure, it is suitable to make the cooling effect of cylinder.
Preferably, exhaust side water jacket (is being changed with the width in the axial vertical direction of cylinder as far as possibleSpeech can be called thickness) be configured narrow. By the width (thickness) of constriction exhaust side water jacket, bothCan guarantee the flow velocity of cooling water mobile in exhaust side water jacket, reliably to the cooling cylinder of needsExhaust side wall carries out cooling, can suppress again the flow of cooling water. Preferably be configured to exhaust side waterThe width of cover is narrower than the width of air inlet side water jacket.
Preferably, do not make exhaust side water jacket degree of depth apart from cylinder head involutory surface in the axial direction of cylinder too dark.That is to say, preferably the degree of depth of exhaust side water jacket is configured shallow. By making the dark of exhaust side water jacketSpend shallowly, can guarantee the flow velocity of the cooling water mobile at exhaust side water jacket, cooling to needs reliablyThe exhaust side wall of cylinder carries out cooling, can suppress again the flow of cooling water. Preferably be configured to rowThe depth as shallow of the depth ratio air inlet side water jacket of gas side water jacket.
Preferably be configured to, in the axial direction of cylinder, exhaust side water jacket is positioned at rising higher most from inlet valveThe position of piston upper surface when journey is to the region between the cylinder head involutory surface of cylinder block. According to this knotStructure, can optionally will not expanded by the region of sub-cooled water cooling, can be reliably to from air inletMouth be drawn into air touch in cylinder to region carry out cooling.
Preferably be configured to, the second cooling water stream comprises the second exhaust side water jacket, this second exhaust sideWater jacket is positioned at exhaust side with respect to air cylinder group, in the longitudinal direction along air cylinder group setting, and and air inletSide water jacket is communicated with. This second exhaust side water jacket is constituted as and is located axially at exhaust side water jacket at cylinderBelow. In addition, in the axial direction of cylinder, top refers to the direction that cylinder head is positioned at, and below isRefer to the direction that bent axle is positioned at. According to this structure, the region of the upside of the exhaust side wall of cylinder, alsoIn other words be drawn into from air inlet air touch in cylinder to region, can be by low-temperature cooling waterCooling expeditiously, the simultaneously region of the downside of the exhaust side wall of cylinder, can by with in air inlet sideThe cooling water of the relatively-high temperature that in water jacket, mobile cooling water is identical is suitably cooling.
The first exhaust side water jacket and the second exhaust side water jacket relatively in, be preferably configured to exhaustSide water jacket is narrower than the width of the second exhaust side water jacket with the width in the axial vertical direction of cylinder.
Preferably be configured to, the first cooling water stream comprises stream between cylinder, and between this cylinder, stream is in phaseBetween 2 adjacent cylinders, along the width setting of cylinder block, and be connected in exhaust side water jacket. According toThis structure, can be by the relative low temperature identical with cooling water mobile in exhaust side water jacket coolingWater, the region that 2 adjacent cylinders are clipped is carried out cooling.
Preferably be configured to, between cylinder, the flow path cross sectional area of stream is than the flow path cross sectional area of exhaust side water jacketLittle. According to this structure, can guarantee between cylinder the flow velocity of mobile cooling water in stream, can press down againThe flow of cooling water processed.
In addition, preferably, between cylinder, at least a portion of stream is opened at the cylinder head involutory surface of cylinder blockMouthful. Between cylinder the peristome of stream can as to cylinder block import cooling water cooling water inlet orDischarge the coolant outlet of cooling water from cylinder block.
Preferably be configured to, the first cooling water stream comprises end stream, and this end stream is in cylinder blockLength direction at least one end face and approach the width along cylinder block between the cylinder of this end face mostDirection arranges, and is connected in exhaust side water jacket. According to this structure, can by with at exhaust side water jacketIn the cooling water of the identical relative low temperature of mobile cooling water carry out end face to cylinder block and cylinder foldedRegion carry out cooling.
Preferably be configured to, the flow path cross sectional area of end stream is less than the flow path cross sectional area of exhaust side water jacket.According to this structure, can guarantee the flow velocity at the cooling water of end flow path, can suppress again cooling waterFlow.
In addition, preferably, at least a portion of end stream is at the cylinder head involutory surface opening of cylinder block.The peristome of end stream can be as the cooling water inlet to cylinder block importing cooling water or from cylinderBody is discharged the coolant outlet of cooling water.
Preferably, at least a portion of exhaust side water jacket is at the cylinder head involutory surface opening of cylinder block. RowThe peristome of gas side water jacket can be as the cooling water inlet to cylinder block importing cooling water or from cylinderBody is discharged the coolant outlet of cooling water.
Invention effect
According to foregoing invention, by the exhaust side water jacket that is arranged on exhaust side with respect to air cylinder group with relativeThe air inlet side water jacket that is arranged on air inlet side in air cylinder group is configured to respectively the cooling water stream of different systemA part, make than the cooling water at the mobile cooling water relative low temperature of air inlet side water jacket at exhaust side waterIn cover, flow, there will not be thus the increase of frictional force and/or the increase of cooling loss of slipper,The air that can suppress to be inhaled in cylinder is heated from cylinder wall surface.
Brief description of the drawings
Fig. 1 is the figure that the structure of the cooling system of the engine of embodiments of the present invention is shown.
Fig. 2 is the top view of the cylinder block of embodiments of the present invention.
Fig. 3 be illustrate embodiments of the present invention cylinder block pass through air inlet and with length direction hang downThe cutaway view of straight section is the cutaway view that the A-A section of Fig. 2 is shown.
Fig. 4 is the central shaft that comprises cylinder and and the length that the cylinder block of embodiments of the present invention is shownThe cutaway view of the vertical section of direction is the cutaway view that the B-B section of Fig. 2 is shown.
Fig. 5 be illustrate embodiments of the present invention cylinder block pass through between 2 adjacent cylinders andThe cutaway view of the section vertical with length direction is the cutaway view that the C-C section of Fig. 2 is shown.
Fig. 6 is the section parallel with cylinder head involutory surface that the cylinder block of embodiments of the present invention is shownCutaway view, be the cutaway view that the D-D section of Fig. 3 is shown.
Fig. 7 is that the cooling system that the engine of embodiments of the present invention is shown is applied to engine with superchargerThe figure of the application examples of system.
Fig. 8 is that the cooling system that the engine of embodiments of the present invention is shown is applied to hybrid power systemThe figure of the application examples of system.
Fig. 9 is the cutaway view that the section of the cylinder block of the variation 1 of embodiments of the present invention is shown,It is the cutaway view that the section suitable with the C-C section of Fig. 2 is shown.
Figure 10 is the cutaway view that the section of the cylinder block of the variation 2 of embodiments of the present invention is shown,It is the cutaway view that the section suitable with the D-D section of Fig. 3 is shown.
Detailed description of the invention
With reference to the accompanying drawings of embodiments of the present invention. Wherein, embodiment shown below, illustratesFor by device specific technical conceive of the present invention and/or method, except situation about expressing especially,And be not intended to by order of the structure of component parts and/or configuration, processing etc. be defined as following shown in. ThisInvention is not limited to embodiment shown below, can in the scope that does not depart from main idea of the present inventionCarrying out various distortion implements.
The structure > of the engine-cooling system of < present embodiment
With reference to Fig. 1, the structure of the cooling system of the engine to present embodiment describes. Be used forThe cooling water of cooled engine circulates between engine and heat exchanger by the circulatory system. StartFacility are for cylinder block 1 and be installed on the cylinder head 51 in cylinder block 1 via not shown liner.To cylinder block 1 and cylinder head 51, both carry out the supply of cooling water.
The cooling system of the engine of present embodiment possesses the circulatory system 40,60 of 2 systems. FirstThe circulatory system 40 and second circulatory system 60 are all closed loops independently, possess respectively heat exchanger 44,64 and water pump 43,63. In addition, sometimes also possess not shown cooling-water temperature sensor and/or for regulateThe thermostat of water temperature.
First circulatory system 40 is included in inner the first cooling water stream 45 forming of cylinder block 1. TheOne cooling water stream 45 comprises exhaust side water jacket described later. The first cooling water stream 45 passes through at cylinderThe opening forming on lid 51 and the involutory surface of cylinder block 1 and extend to the inside of cylinder head 51, withThe cooling water inlet forming in cylinder head 51 and coolant outlet are communicated with. The cooling water of cylinder head 51 entersMouth is connected in the coolant outlet of heat exchanger 44, cylinder head 51 by cooling water ingress pipe 41Coolant outlet discharge by cooling water the cooling water inlet that pipe 42 is connected in heat exchanger 44.Be provided with water pump 43 at cooling water ingress pipe 41.
Second circulatory system 60 is included in inner the second cooling water stream 65 and that form of cylinder block 1At inner the 3rd cooling water stream 66 forming of cylinder head 51. The second cooling water stream 65 comprises aftermentionedAir inlet side water sleeve the second exhaust side water jacket. The second cooling water stream 65 and the 3rd cooling water stream66 are connected via the opening forming on the involutory surface in cylinder head 51 and cylinder block 1. In addition, existCylinder block 1 is formed with the cooling water inlet being communicated with the second cooling water stream 65, cylinder head 51 shapesThe coolant outlet that Cheng Youyu the 3rd cooling water stream 66 is communicated with. The cooling water inlet of cylinder block 1 is passed throughCooling water ingress pipe 61 and be connected in the coolant outlet of heat exchanger 64, the cooling water of cylinder head 51Outlet is discharged and is managed 62 cooling water inlets that are connected in heat exchanger 64 by cooling water. At cooling waterIngress pipe 61 is provided with water pump 63.
According to the structure shown in Fig. 1, can utilize 2 circulatory systems 40,60 to carry out independently water temperatureRegulate. Specifically, be configured to: in the time of cold start-up, in the first cooling water stream 45, flowThe water temperature of the water temperature of cooling water and cooling water mobile in the second cooling water stream 65 is identical, and is sending outWhen the warming-up of motivation advances, in the first cooling water stream 45 water temperature of mobile cooling water become lower thanThe water temperature of mobile cooling water in the second cooling water stream 65. More specifically, can be based on notThe detected value of illustrated cooling-water temperature sensor is controlled the rotary speed of water jacket 43 and/or water jacket 63,Carry out thus said temperature control.
Then, the structure of the cylinder block 1 to present embodiment describes. Use bowing of cylinder block 1View and cutaway view describe.
The structure > of the cylinder block of < present embodiment
" structure of the cylinder block of observing with top view "
Fig. 2 is the top view of the cylinder block 1 of present embodiment. Specifically be, from pacifying for cylinder headThe top view of the cylinder head involutory surface 10 unilateral observation cylinder block 1 of dress. In addition, in this manual,The direction of as mentioned above, cylinder 2 being arranged is defined as the length direction of cylinder block 1. And, will be withLength direction is orthogonal and be defined as the width of cylinder block 1 with the axial orthogonal direction of cylinder 2.In addition, the end face 1b of output one side of bent axle in end face 1a, the 1b of length direction is called to rear endFace, is called front end face by the end face 1a of a side contrary to it. And, be installed on cylinder block in cylinder head1 and during from front end face 1a unilateral observation, air inlet is positioned at right side, exhaust outlet is positioned at left side, therefore existsIn this description, the right side when from front end face 1a unilateral observation cylinder block 1 is called air inlet side, by a left sideSide is called exhaust side.
The cylinder block 1 of present embodiment is the cylinder block of the three-cylinder engine in upright arrangement of spark ignition type. ButThat the present invention, not only applicable to spark ignition engine, also goes for charge compression self-ignition typeThe cylinder block of engine, can also be applicable to have the gas of the cylinder number beyond three cylinders such as four cylinders and/or six cylindersCylinder body, can also be applicable to have the cylinder of the cylinder arrangement beyond in upright arrangement such as V-type and/or flat opposedBody.
In cylinder block 1, uniformly-spaced arrange ground and be formed with 3 cylinders 2. At 2 adjacent cylinders 2Between, be provided with the next door 11 that 2 cylinders 2 are separated. At cylinder head involutory surface 10, be formed with for lidThe bonnet bolt patchhole 18 that bolt passes through, this bonnet bolt is for installing cylinder head in cylinder block 1. Lid spiral shellBolt patchhole 18 is with being listed in the each configuration of exhaust side and air inlet side 4 places, surrounding cylinder 2 for cylinder 2Mode equally spaced configure.
Water jacket 30,20 is at cylinder head involutory surface 10 openings. Be positioned at row at the row with respect to cylinder 2Gas side and than bonnet bolt patchhole 18 the central region near cylinder block 1, be formed with along lining upThe exhaust side water jacket 30 that the wall of the exhaust side of the cylinder 2 of one row extends at length direction. Exhaust side waterThe front end of the length direction of cover 30 reaches near the front end face 1a of cylinder block 1, the rear end of length directionAround the rear end face 1b to cylinder block 1 and approach most between the cylinder 2 of rear end face 1b. Exhaust side water jacket30 are formed in a part for the first cooling water stream that cylinder block 1 forms.
At the peristome 30a of the exhaust side water jacket 30 of cylinder head involutory surface 10 openings, by cylinder headWhile being assembled in cylinder block 1 by liner shutoff. But, in the rear end of the length direction of exhaust side water jacket 30Portion 36 is formed with the intercommunicating pore being communicated with the outlet stream forming in cylinder head. In casting cylinder block 1Time, form exhaust side water jacket 30 with core or metal die.
Be positioned at air inlet side with respect to the row of cylinder 2 and than bonnet bolt patchhole 18 near cylinder block 1Central region, be formed with wall along the air inlet side of the cylinder 2 forming a line at length directionThe air inlet side water jacket 20 extending. The front end of the length direction of air inlet side water jacket 20 reaches cylinder block 1Near front end face 1a, the rear end of length direction is around the rear end face 1b to cylinder block 1 and approach rear end mostBetween the cylinder 2 of face 1b. Air inlet side water jacket 20 is formed in the second cooling water flow that cylinder block 1 formsThe part on road.
At the peristome 20a of the air inlet side water jacket 20 of cylinder head involutory surface 10 openings, by cylinder headWhile being assembled in cylinder block 1 by liner shutoff. In the time of casting cylinder block 1, use and manufacture exhaust side waterOverlap 30 o'clock different cores or metal die and form air inlet side water jacket 20.
At cylinder head involutory surface 10, offer inside and the exhaust in cylinder block 1 by Drilling operation3 holes 31 that side water jacket 30 is communicated with. The end of the air inlet side of next door 11, by adjacent 2It is porose 31 that the region that cylinder 2 and air inlet side water jacket 20 surround is offered, and at the front end of cylinder block 1Near face 1a and approaching most between the cylinder 2 of this front end face 1a and the front end of air inlet side water jacket 20 alsoOffer porose 31. Peristome in the hole 31 of cylinder head involutory surface 10 openings becomes to the first cooling waterThe entrance of the cooling water that stream imports. In cylinder block 1 in the time that pad set is equipped with cylinder head, these holes31 are communicated with the entrance stream forming in cylinder head.
In addition, the access 24 being communicated with air inlet side water jacket 20 in the inside of cylinder block 1 is in cylinder headInvolutory surface 10 openings. Access 24 is located between exhaust side water jacket 30 and the exhaust side of cylinder block 1Region. Access 24 forms the second cooling water stream together with air inlet side water jacket 20. And,The peristome of the access 24 of cylinder head involutory surface 10 openings becomes in the second cooling water stream mobileThe outlet of cooling water. In cylinder block 1 in the time that pad set is equipped with cylinder head, access 24 with at gasThe 3rd cooling water stream that cylinder cap forms is communicated with. In addition, access 24 by with make air inlet side water jacket20 o'clock identical cores or metal die and form.
Then, with reference to the internal structure of the cylinder block 1 of sectional views present embodiment. The gas of having in mindThe section of cylinder body 1 be by air inlet and the section (the A-A section of Fig. 2) vertical with length direction,The central shaft that comprises cylinder and the section (the B-B section of Fig. 2) vertical with length direction, pass throughBetween 2 adjacent cylinders and the section vertical with length direction (the C-C section of Fig. 2), withAnd the section parallel with cylinder head involutory surface.
" inside with the cylinder block of observing by air inlet and the section vertical with length direction forms "
Fig. 3 is the A-A section that Fig. 2 is shown, the front end unilateral observation from cylinder block 1 is also shownIn the section vertical with length direction, in the time that cylinder block 1 is assembled with cylinder head 51, comprise air inletThe cutaway view of 54 section. In Fig. 3, describe cylinder head 51 and piston 56 with double dot dash line. Cylinder head51 possess the combustion chamber 53 of ridge (pentroof) shape, are connected with air inlet 54 in combustion chamber 53And exhaust outlet 55. Air inlet 54 is straight ports of straight extension roughly towards combustion chamber 53, is configured toCan generate roll stream (tumbleflow) roll stream generate port. In Fig. 3, describe to roll with arrow lineThe schematic diagram of stream 57.
In addition, in this manual, suppose that cylinder head 51 is positioned at the vertical upside of cylinder block 1,Position relationship between each key element is described. This supposition is only made in order easily to illustrate, andCan't help this supposition the structure of cylinder block of the present invention is carried out to any restriction.
In the section shown in Fig. 3, with respect to the row of cylinder 2 and be formed with air inlet side water in air inlet sideCover 20. Air inlet side water jacket 20 is configured to the wall 4a of the air inlet side of coating gas cylinder cap 2. Air inlet sideThe upper end of water jacket 20 becomes the peristome 20a at cylinder head involutory surface 10 openings. By cylinder head 51While being assembled in cylinder block 1, this peristome 20a is by liner shutoff.
With respect to the row of cylinder 2 and be formed with exhaust side water jacket 30 at exhaust side. Exhaust side water jacket 30Be configured to the wall 4b on the top of the exhaust side of coating gas cylinder cap 2. The upper end of exhaust side water jacket 30Become the peristome 30a at cylinder head involutory surface 10 openings. Cylinder head 51 is being assembled in to cylinder block 1Time, this peristome 30a except a part (end 36 shown in Fig. 2) by liner shutoff.
Exhaust side water jacket 30 in the axial direction of cylinder 2 apart from the depth ratio air inlet side of cylinder head involutory surface 10The depth as shallow of water jacket 20. Particularly, in the axial direction of cylinder 2, exhaust side water jacket 30 be positioned at fromThe position of the upper surface of the piston 56 when the maximum lift of inlet valve is to the cylinder head involutory surface of cylinder block 1Region between 10. In the time that inlet valve is opened to maximum lift, be drawn into cylinder 2 from air inlet 54The flow of air be maximum. Air is flowing and is entering gas to paste the mode of upper surface of air inlet 54Cylinder 2, touches to the wall 4b of the exhaust side of cylinder 2 and, to longitudinal convolution, forms and roll stream 57. Exhaust sideWater jacket 30 be configured to this roll stream touch to wall 4b carry out cooling.
Exhaust side water jacket 30 and air inlet side water jacket 20 are configured to respectively the cooling water stream of different systemA part, compared with cooling water mobile in air inlet side water jacket 20, in exhaust side water jacket 30,The flow of cooling water of relative low temperature. Therefore,, according to said structure, can suppress efficiently from air inlet54 air that suck are heated from the wall 4b of cylinder 2. In addition, the mobile portion of the cooling water of low temperaturePosition is defined to the first cooling water stream that comprises exhaust side water jacket 30, therefore there will not be due to excessivelyCooling and the increase of friction and/or the increase of cooling loss of slipper that produce engine.
With respect to the row of cylinder 2 and be also formed with the second exhaust side water jacket 22 at exhaust side. The second exhaustSide water jacket 22 is provided in the bottom of the exhaust side of the below coating gas cylinder cap 2 of exhaust side water jacket 30Wall 4c. Although do not represent the axial sight from cylinder head involutory surface 10 1 sides along cylinder 2 in figureShape while examining the second exhaust side water jacket 22 becomes the shape roughly the same with the shape of exhaust side water jacket 30Shape. That is to say, the second exhaust side water jacket 22 along the wall of the exhaust side of the cylinder 2 forming a line andExtend at length direction, the front end of its length direction reaches near the front end face of cylinder block 1, its lengthThe rear end of direction is around entering the rear end face of cylinder block 1 and approaching most between the cylinder 2 of rear end face and and air inletSide water jacket 20 is connected. With respect to (the end, lower end of the second exhaust side water jacket 22 of cylinder head involutory surface 10Portion) position and the lower end with respect to the air inlet side water jacket 20 of cylinder head involutory surface 10 position roughlyEquate.
The second exhaust side water jacket 22 is at the access shown in the inside of cylinder block 1 and the top view of Fig. 224 are connected. Being communicated with shown in the top view of the second exhaust side water jacket 22 and air inlet side water jacket 20 and Fig. 2Road 24 is formed in the second cooling water stream that cylinder block 1 forms together. The second exhaust side water jacket 22 is logicalCross the core identical with air inlet side water jacket 20 and form.
In embodiments of the invention, it not is necessary that the second exhaust side water jacket 22 is set. Also can be byExhaust side water jacket 30 forms deeplyer in the axial direction of cylinder 2. But, by the wall for exhaust sideIn face 4b, 4c rolling 57 of streams touch to wall 4c, configuration is for relative temperature low flow of cooling waterExhaust side water jacket 30, for roll stream 57 touch less than wall 4c, configuration is for high cold of relative temperatureBut the second exhaust side water jacket 22 of water flow, it is more suitable to make for the cooling effect of cylinder 2.
" the inside of the cylinder block of observing with the central shaft that comprises cylinder and the section vertical with length directionStructure "
Fig. 4 is the B-B section that Fig. 2 is shown, the front end unilateral observation from cylinder block 1 is also shownTo the section vertical with length direction in, the analysing and observe of the section of the central axis L 1 that comprises cylinder 2Figure. In Fig. 4, the bore hole of cylinder 2 and air inlet side water jacket 20, exhaust side water jacket 30 are shownWith the width (thickness) in the axial vertical direction of the each leisure of the second exhaust side water jacket 22 and cylinder 2.
As shown in Figure 4, the width of exhaust side water jacket 30 is narrower than the width of air inlet side water jacket 20, thanThe width of two exhaust side water jackets 22 is narrow. Reduce flow path cross sectional area by constriction width, can guarantee coldBut the flow velocity of water, can suppress again the flow of cooling water. Width by constriction exhaust side water jacket 30 obtainsEnough flow velocity, can be reliably to especially needing the wall 4b of exhaust side of cooling cylinder 2Carry out coolingly, suppress the air that is drawn in cylinder 2 and be heated from wall 4b. And, arrange by constrictionThe width of gas side water jacket 30 suppresses the flow of cooling water, can suppress the heat exchange of first circulatory systemThe desired cooling capacity of device.
In the section shown in Fig. 4, in the side of the exhaust side of cylinder block 1, offer and exhaust sideNear the spilled water hole 35 being communicated with the bottom of water jacket 30. This spilled water hole 35 is to use in the time safeguarding, flatTime by embolism shutoff. By opening spilled water hole 35, can first of exhaust side water jacket 30 will comprisedThe cooling water accumulating in cooling water stream is discharged outside cylinder block 1. Although not at the section shown in Fig. 4Shown in, for the second cooling water stream that comprises air inlet side water jacket 20, the second exhaust side water jacket 22Also be provided with same spilled water hole.
" with between 2 cylinders by adjacent and the section vertical with length direction observe cylinder blockInternal structure "
Fig. 5 is the C-C section that Fig. 2 is shown, the front end unilateral observation from cylinder block 1 is also shownTo and section that length direction is vertical in, by the cutaway view of the section between 2 cylinders. EveryThe next door 11 that 2 cylinders are separated and be formed with respectively bonnet bolt patchhole in air inlet side and exhaust side18. Section shown in Fig. 5 is the central shaft that comprises bonnet bolt patchhole 18 and vertical with length directionSection.
Next door 11 is formed with between the cylinder that exhaust side water jacket 30 is connected with hole 31 water jacket (between cylinderStream) 32. Between cylinder, the degree of depth of water jacket 32 becomes with the degree of depth of exhaust side water jacket 30 roughly the sameThe degree of depth. Between cylinder, water jacket 32 forms by the core identical with exhaust side water jacket 30 or metal die.Wherein, the upper end of exhaust side water jacket 30 becomes the peristome 30a at cylinder head involutory surface 10 openings,And the upper end of water jacket 32 between cylinder, except hole 31, at not opening of cylinder head involutory surface 10. ThisBe for, the upper surface that makes next door 11 is tabular surface, thus in the time assembling cylinder head to cylinder block 1,The circle limit (bead) of liner is played a role. According to the structure shown in Fig. 5, what enter from hole 31 is coldBut water enters exhaust side water jacket 30 by water jacket between cylinder 32.
" internal structure of the cylinder block of observing with the section parallel with cylinder head involutory surface "
Fig. 6 is the D-D section that Fig. 3 is shown, cut open parallel with cylinder head involutory surface 10 be also shownThe cutaway view of section in face, that exhaust side water jacket 30 is dissectd. In the next door that 2 cylinders are separated11, be provided with water jacket 32 between cylinder along the width of cylinder block 1. In addition, at the front end of cylinder block 1Face 1a and approaching most between the cylinder 2 of this front end face 1a, is provided with end along the width of cylinder block 1Portion's water jacket (end stream) 34.
End water jacket 34 in the inside of cylinder block 1 by the hole 31 shown in exhaust side water jacket 30 and Fig. 2Connect. Between the degree of depth of end water jacket 34 and cylinder, the degree of depth of water jacket 32 becomes the roughly the same degree of depth.But, same with water jacket between cylinder 32, its upper end except hole 31 at cylinder head involutory surface 10Not opening. Between end water jacket 34 and cylinder, water jacket 32 and/or exhaust side water jacket 30 are identical, pass through sandCore or metal die and form. Between cylinder, water jacket 32 and end water jacket 34 are together with exhaust side water jacket 30Form the first cooling water stream.
In an embodiment of the present invention, water jacket 32 and/or end water jacket 34 being set between cylinder is not mustMust. In addition, can be only to make cooling water lead to the stream of exhaust side water jacket 30 from hole 31. But,By the top of these water jackets 32,34 cooling cylinder 2 from side, can effectively suppress thus to suckAir in cylinder 2 is heated from the side wall of cylinder 2.
In addition, between cylinder, the flow path cross sectional area of water jacket 32 is less than the flow path cross sectional area of exhaust side water jacket 30.And the flow path cross sectional area of end water jacket 34 is less than the flow path cross sectional area of exhaust side water jacket 30. 2Between cylinder, the total area of the flow path cross sectional area of the flow path cross sectional area of water jacket 32 and end water jacket 34 is preferredBe no more than the flow path cross sectional area of exhaust side water jacket 30. According to this structure, can guarantee water jacket between cylinder32 and the flow velocity of the mobile cooling water of end water jacket 34, can suppress again the flow of cooling water.
Then, to possessing the engine-cooling system of cylinder block of present embodiment of above such formationConcrete application examples describe.
The application examples > of the engine-cooling system of < present embodiment
" application examples 1 "
Fig. 7 illustrates the example that the engine-cooling system of present embodiment is applied to engine with supercharger systemSon. The basic structure of the engine-cooling system shown in structure and Fig. 1 of engine-cooling system itselfIdentical. Therefore, in Fig. 7, for the key element mark identical with the engine-cooling system shown in Fig. 1Note same Reference numeral. In addition, omission or simplification are about the repeat specification of identical element.
In engine with supercharger system, at the intake channel 71 being connected with cylinder head 51, turbine is installedCompressor 72, is provided with water-cooled charge air cooler 73 in the downstream of turbo-compressor 72. In Fig. 7 instituteIn the application examples of showing, be assembled with charge air cooler 73 in first circulatory system 40, in first circulatory system 40Mobile low-temperature cooling water is for carrying out heat exchange at charge air cooler 73 and air. Further in detail andSpeech, charge air cooler 73 is disposed at cooling water ingress pipe 41, cold for after heat exchange in charge air cooler 73But water is directed to the first cooling water stream 45 of being located at cylinder block 1. In the application examples shown in Fig. 7,Discharge pipe at cooling water and 42 dispose cooling-water temperature sensor 48, passed through the by cooling-water temperature sensor 48 instrumentationsThe water temperature of the cooling water of one cooling water stream 30. Instrumentation to water temperature control water pump 43 with acting onThe information of rotary speed. In addition, in first circulatory system 40, mobile low-temperature cooling water also can be usedCooling in turbo-compressor 72.
In addition, in the application examples shown in Fig. 7, in second circulatory system 60, dispose water temperature sensingDevice 68, this cooling-water temperature sensor 68 is for example configured in the cooling water of this second circulatory system 60 and discharges pipe 62.In addition, in second circulatory system 60, also dispose water jacket 63, water jacket 63 be for example configured in this secondThe cooling water ingress pipe 61 of the circulatory system 60.
In should use-case 1, can be by controlling first circulatory system 40 and/or the second circulationSystem 60, the ratio that makes to flow in described the first cooling water stream 45 is at described the second cooling water streamThe mobile low cooling water of cooling water temperature in 65. Furthermore, can pass through based on water temperature sensingThe detected value (temperature, detecting) of device 48 and cooling-water temperature sensor 68 control water pump 43 and/ or the rotary speed of water pump 63, making thus in described the first cooling water stream 45, to flow than existingThe mobile low cooling water of cooling water temperature in described the second cooling water stream 65.
" application examples 2 "
Fig. 8 represents the engine-cooling system of present embodiment to be applied to the example of hybrid power systemSon. The basic structure of the engine-cooling system shown in structure and Fig. 1 of engine-cooling system itselfIdentical. Therefore, in Fig. 8, for the key element mark identical with the engine-cooling system shown in Fig. 1Note same Reference numeral. In addition, omission or simplification are about the repeat specification of identical element.
Combination has the hybrid power system of engine and motor to possess converter 75. Shown in Fig. 8In application examples, be assembled with converter 75 in first circulatory system 40, stream in first circulatory system 40The cooling water of moving low temperature is cooling for converter 75. Further specifically, converter 75 is joinedBe placed in cooling water ingress pipe 41, the cooled cooling water that is used in converter 75 is imported into is located at gasThe first cooling water stream 45 of cylinder body 1. In the application examples shown in Fig. 8, be also to discharge at cooling waterPipe 42 disposes cooling-water temperature sensor 48.
In addition, second circulatory system 60 of this application examples 2 can adopt the structure same with application examples 1,Same with application examples, the temperature controlled water pump 43,63 based on being detected by cooling-water temperature sensor 48,68Rotary speed, control thus the temperature of first circulatory system and second circulatory system, make thusIn described the first cooling water stream 45, flow more cooling than what flow in described the second cooling water stream 65The cooling water that coolant-temperature gage is low.
2 variation of present embodiment are finally described. As shown in following variation, the present invention is notBe limited to above-mentioned embodiment, can in the scope that does not depart from main idea of the present invention, carry out various distortionGround is implemented.
Variation 1 > of < embodiment
Use Fig. 9 that modified embodiment of the present embodiment 1 is described. Fig. 9 is the distortion that present embodiment is shownThe cutaway view of the section of the cylinder block of example 1 is that the section suitable with the C-C section of Fig. 2 is shownCutaway view. In variation 1, stream between the cylinder forming as next door 11, is not to arrange to pass throughThe water jacket that core or metal die form, but the boring 81,82 forming by Drilling operation is set.One side's boring 81 digs tiltedly from air inlet side towards exhaust side, and the opposing party's boring 82 is from exhaustSide digs tiltedly towards air inlet side, among both next doors 11, is connected. Boring 82 and exhaust side waterCover 30 is connected, and the peristome of boring 81 becomes the entrance of cooling water. In variation 1, boring 81,82 form the first cooling water stream together with exhaust side water jacket 30.
Variation 2 > of < embodiment
Use Figure 10 that modified embodiment of the present embodiment 2 is described. Figure 10 is the change that present embodiment is shownThe cutaway view of the section of the cylinder block of shape example 2 is that the section suitable with the D-D section of Fig. 3 is shownCutaway view. In variation 2, stream and end stream between cylinder are not set. Be formed with at gasThe entrance stream 91 of the front end face 1a opening of cylinder body 1 and going out at the rear end face 1b opening of cylinder block 1Mouth stream 92, both are connected with exhaust side water jacket 30. In addition, connect at the peristome of entrance stream 91Be connected to the cooling water ingress pipe 41 of first circulatory system 40, be connected with at the peristome of outlet stream 92Cooling water is discharged pipe 42. According to this structure, the cooling water being cooled at heat exchanger 44 enters cylinderBody 1, returns from cylinder block 1 heat exchanger 44 by exhaust side water jacket 30. In addition entrance,Stream 91 also can be formed on the side of cylinder block 1. Also be same for outlet stream 92.
Description of reference numerals
The central shaft of L1 cylinder
1 cylinder block
1a front end face
1b rear end face
2 cylinders
10 cylinder head involutory surfaces
11 next doors
The wall of the air inlet side of 4a cylinder
The wall on the exhaust side top of 4b cylinder
The wall of the exhaust side bottom of 4c cylinder
20 air inlet side water jackets
22 second exhaust side water jackets
30 exhaust side water jackets
Water jacket between 32 cylinders
34 end water jackets
40 first circulatory systems
44 heat exchangers
45 first cooling water streams
51 cylinder head
54 air inlets
56 pistons
57 roll the schematic diagram of stream main flow
60 second circulatory systems
64 heat exchangers
65 second cooling water streams
66 the 3rd cooling water streams
81,82 borings
Claims (18)
1. a cylinder block, is the cylinder block that multicylinder engine is used, and it is characterized in that possessing:
Multiple cylinders, it is arranged on the length direction of described cylinder block and arranges;
The first cooling water stream, it comprises exhaust side water jacket, described exhaust side water jacket is many with respect to describedIndividual cylinder and be positioned at exhaust side, in the longitudinal direction along described multiple cylinder settings; And
The second cooling water stream, it comprises air inlet side water jacket, described air inlet side water jacket is many with respect to describedIndividual cylinder and be positioned at air inlet side, in the longitudinal direction along described multiple cylinder settings,
At the cooling water of mobile the first temperature of described the first cooling water stream, at described the second cooling water flowThe cooling water of mobile the second temperature in road, and formation makes described the first temperature lower than described the second temperature.
2. cylinder block according to claim 1, is characterized in that,
Described exhaust side water jacket with the width in the axial vertical direction of described cylinder than described air inletThe width of side water jacket is narrow.
3. cylinder block according to claim 1 and 2, is characterized in that,
Described exhaust side water jacket in the axial direction of described cylinder apart from the degree of depth of cylinder head involutory surface, than describedThe depth as shallow of air inlet side water jacket.
4. according to the cylinder block described in any one in claim 1～3, it is characterized in that,
In the axial direction of described cylinder, when described exhaust side water jacket is positioned at from the maximum lift of inlet valveThe position of piston upper surface is to the region between the cylinder head involutory surface of described cylinder block.
5. according to the cylinder block described in any one in claim 1～4, it is characterized in that,
Described the second cooling water stream comprises the second exhaust side water jacket, and described the second exhaust side water jacket is relativeBe positioned at exhaust side in described multiple cylinders, at length direction along described multiple cylinder settings, and with instituteState air inlet side water jacket and be communicated with,
In the axial direction of described cylinder, described the second exhaust side water jacket be positioned at described exhaust side water jacket underSide.
6. cylinder block according to claim 5, is characterized in that,
Described exhaust side water jacket with the width in the axial vertical direction of described cylinder than described secondThe width of exhaust side water jacket is narrow.
7. according to the cylinder block described in any one in claim 1～6, it is characterized in that,
Described the first cooling water stream comprises stream between cylinder, and between described cylinder, stream is at adjacent 2Between cylinder, along the width setting of described cylinder block, and be connected in described exhaust side water jacket.
8. cylinder block according to claim 7, is characterized in that,
Between described cylinder, the flow path cross sectional area of stream is less than the flow path cross sectional area of described exhaust side water jacket.
9. according to the cylinder block described in claim 7 or 8, it is characterized in that,
Between described cylinder, at least a portion of stream is at the cylinder head involutory surface opening of described cylinder block.
10. according to the cylinder block described in any one in claim 1～9, it is characterized in that,
Described the first cooling water stream comprises end stream, and described end stream is in the length of described cylinder blockAt least one end face of degree direction and approach the width side along described cylinder block between the cylinder of this end face mostTo setting, and be connected in described exhaust side water jacket.
11. cylinder block according to claim 10, is characterized in that,
The flow path cross sectional area of described end stream is less than the flow path cross sectional area of described exhaust side water jacket.
12. according to the cylinder block described in claim 10 or 11, it is characterized in that,
At least a portion of described end stream is at the cylinder head involutory surface opening of described cylinder block.
13. according to the cylinder block described in any one in claim 1～12, it is characterized in that,
At least a portion of described exhaust side water jacket is at the cylinder head involutory surface opening of described cylinder block.
14. 1 kinds of internal combustion engines, is characterized in that possessing:
Cylinder block, it possesses: multiple cylinders, it is arranged on the length direction of cylinder block and arranges;The first cooling water stream, it comprises exhaust side water jacket, described exhaust side water jacket is with respect to described multiple gasCylinder and be positioned at exhaust side, in the longitudinal direction along described multiple cylinder settings; And second cooling water flowRoad, it comprises air inlet side water jacket, described air inlet side water jacket is positioned at air inlet with respect to described multiple cylindersSide, in the longitudinal direction along described multiple cylinder settings;
Cylinder head, it comprises combustion chamber, air inlet and exhaust outlet, described in being positioned at described air inletThe mode that air inlet side and described exhaust outlet are positioned at described exhaust side is installed on described cylinder block;
First circulatory system, the first heat exchange that it possesses the first pipe arrangement, arranges at described the first pipe arrangementDevice and the first water jacket, described the first pipe arrangement and described the first cooling water that arrange at described the first pipe arrangementStream is communicated with; And
Second circulatory system, the second heat exchange that it possesses the second pipe arrangement, arranges at described the second pipe arrangementDevice and the second water jacket, described the second pipe arrangement and described the second cooling water that arrange at described the second pipe arrangementStream is communicated with.
15. 1 kinds possess the cooling system of the internal combustion engine of the cylinder block described in any one in claim 1～13System, is characterized in that possessing:
First circulatory system, it is included in described the first cooling water stream that described cylinder block forms; With
Second circulatory system, it is included in described the second cooling water stream that described cylinder block forms;
Described first circulatory system and/or described second circulatory system are controlled such that describedIn one cooling water stream the temperature of mobile cooling water lower than in described the second cooling water stream flowThe temperature of cooling water.
The cooling system of 16. internal combustion engines according to claim 15, is characterized in that,
In described first circulatory system, also possesses the first water pump and in described first circulatory systemCooling water carries out the first cooling heat exchanger,
In described second circulatory system, also possesses the second water pump and in described second circulatory systemCooling water carries out the second cooling heat exchanger,
Carry out institute by the rotary speed of controlling described the first water pump and/or described the second water pumpState control.
17. according to the cooling system of the internal combustion engine described in claim 15 or 16, it is characterized in that,
In described first circulatory system, also possess the first cooling-water temperature sensor,
In described second circulatory system, also possess the second cooling-water temperature sensor,
Based on the detected value of described the first cooling-water temperature sensor and described the second cooling-water temperature sensor, it is right to carry outThe described control of described first circulatory system and/or described second circulatory system.
18. according to the cooling system of the internal combustion engine described in any one in claim 15～17, its featureBe,
Described first circulatory system and described second circulatory system are closed loops independent of each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014231031A JP2016094871A (en) | 2014-11-13 | 2014-11-13 | Cylinder block |
| JP2014-231031 | 2014-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105604720A true CN105604720A (en) | 2016-05-25 |
Family
ID=54557261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510733534.XA Pending CN105604720A (en) | 2014-11-13 | 2015-11-03 | Cylinder block, internal combustion engine and cooling system for internal combustion engine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20160138521A1 (en) |
| EP (1) | EP3034846A1 (en) |
| JP (1) | JP2016094871A (en) |
| KR (1) | KR20160057297A (en) |
| CN (1) | CN105604720A (en) |
| BR (1) | BR102015028479A2 (en) |
| RU (1) | RU2015139217A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224113A (en) * | 2016-08-26 | 2016-12-14 | 重庆高金实业有限公司 | Engine cooling water jacket structure and straight arrangement double-cylinder engine cooling water jacket structure |
| CN108425762A (en) * | 2017-02-14 | 2018-08-21 | 福特全球技术公司 | The cylinder block of internal combustion engine |
| CN109715926A (en) * | 2016-09-20 | 2019-05-03 | 康明斯公司 | The system and method for avoiding structure failure caused by high thermal cycle using cylinder cover cooling device |
| CN113464305A (en) * | 2020-03-31 | 2021-10-01 | 本田技研工业株式会社 | Water jacket |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3053400B1 (en) * | 2016-07-04 | 2020-02-21 | Renault S.A.S | CYLINDER HEAD GASKET WITH COOLING GUTTER |
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- 2015-09-24 KR KR1020150135246A patent/KR20160057297A/en not_active Application Discontinuation
- 2015-11-03 CN CN201510733534.XA patent/CN105604720A/en active Pending
- 2015-11-12 EP EP15194363.6A patent/EP3034846A1/en not_active Withdrawn
- 2015-11-12 BR BR102015028479A patent/BR102015028479A2/en not_active Application Discontinuation
- 2015-11-13 US US14/941,039 patent/US20160138521A1/en not_active Abandoned
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| JPH04350348A (en) * | 1991-05-27 | 1992-12-04 | Honda Motor Co Ltd | Water-cooled multiple cylinder engine cooling structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106224113A (en) * | 2016-08-26 | 2016-12-14 | 重庆高金实业有限公司 | Engine cooling water jacket structure and straight arrangement double-cylinder engine cooling water jacket structure |
| CN106224113B (en) * | 2016-08-26 | 2018-10-19 | 重庆高金实业有限公司 | Engine cooling water jacket structure and straight arrangement double-cylinder engine cooling water jacket structure |
| CN109715926A (en) * | 2016-09-20 | 2019-05-03 | 康明斯公司 | The system and method for avoiding structure failure caused by high thermal cycle using cylinder cover cooling device |
| CN108425762A (en) * | 2017-02-14 | 2018-08-21 | 福特全球技术公司 | The cylinder block of internal combustion engine |
| CN108425762B (en) * | 2017-02-14 | 2021-10-22 | 福特全球技术公司 | Cylinder block of internal combustion engine |
| CN113464305A (en) * | 2020-03-31 | 2021-10-01 | 本田技研工业株式会社 | Water jacket |
| CN113464305B (en) * | 2020-03-31 | 2023-03-10 | 本田技研工业株式会社 | Water jacket |
Also Published As
| Publication number | Publication date |
|---|---|
| BR102015028479A2 (en) | 2016-08-02 |
| US20160138521A1 (en) | 2016-05-19 |
| EP3034846A1 (en) | 2016-06-22 |
| RU2015139217A (en) | 2017-03-21 |
| KR20160057297A (en) | 2016-05-23 |
| JP2016094871A (en) | 2016-05-26 |
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Application publication date: 20160525 |